"The Devil All the Time" is a novel by Donald Ray Pollock that intertwines the lives of several characters in rural Ohio and West Virginia after World War II. The story explores themes of violence, faith, and the impact of trauma, focusing on the struggles of a young man named Arvin Russell as he navigates a world filled with corruption and moral ambiguity. The narrative features a cast of troubled individuals, including a corrupt preacher, a serial killer couple, and a war veteran, all connected by their dark pasts and choices. The book paints a grim picture of humanity, illustrating how desperation and sin can shape lives in profound ways.